Home / 93,012,892.88-128,356,773.51-51,196,064.13

Finding the Fourth Proportional to 93,012,892.88, 128,356,773.51 and 51,196,064.13

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Solution

The fourth proportional to 93,012,892.88, 128,356,773.51 and 51,196,064.13 is: 70,650,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012,892.88 : 128,356,773.51 = 51,196,064.13 : x
  2. Step 2: Convert to fraction form
    93,012,892.88/128,356,773.51 = 51,196,064.13/x
  3. Step 3: Cross multiply
    93,012,892.88x = 128,356,773.51 × 51,196,064.13
  4. Step 4: Simplify right side
    93,012,892.88x = 6,571,361,608,618,583
  5. Step 5: Solve for x
    x = 6,571,361,608,618,583/93,012,892.88
  6. Step 6: Final answer
    x = 70,650,007.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.